Metal seal.



S. STROH.

METAL SEAL. APPLICATION FILED APR. 2, 1909.

ATTORNEYS Patented May 24, 1910.

UNlTED STATES PATENT oFFicE.

SIGMUND STROH, OF LONDON, ENGLAND;

METAL SEAL.

To all whom it may concern: 7

Be it known that I, SIGMUND STROH, a subject of the King of Hungary, andresident of AudreyI-Iouse, Ely Place, London, E. 0., England, merchant,have invented Improvements in'Metal Seals, of which the following is aspecification.

This invention relates to metal seals adapted to be closed on cords andthe like used for fastening packages.

The object of this invention is to rovide a seal which shall be cheap tomanu acture, which can be used without the necessity of threading thecords through holes therein and which, when secured in position, cannotbe tampered with without detection.

Referring to the accompanying drawings, Figure 1 is a face view of oneform of seal constructed in accordance with this invention and shown inits open position ready for use; Fig. 2 is a cross sectlon thereof online l-1 Fig. 1; Fig. 3 is an end view thereof in the direction of thearrow A, Fig. 1. Fig. 4 is a face view showing the seal closed intoposition for use. Fig. 5 is a cross section thereof on line 44 Fig. 4;Fig. 6 is a cross section thereof on line 55 Fig. 4. Fig. 7 is a rearView thereof. Fig. 8 is a face view of a seal with a depression therein.Fig. 9.is a cross section thereof on line 8-8 Fig. 8 and Fig. 10 is arear View thereof.

The seal comprises a circular dished metal plate a provided with aflange b at the edge of its concave side, a second circular dished metalplate c having a circular shoulder 03, the plate 0 being adapted to fitin the plate a, a neck e connecting'together said plates (1 and c,serrations e being disposed at an angle to the plane of said neck 6 andalong the sides thereof, and serrations f being disposed in a recess 9in the flange b.

In use the cords h h are placed on either side of the neck e and. saidneck 6 is bent so shoulder d on the p ate 0. A further hold is obtainedby the serrations 6 which embed themselves in the cords h I Con tinuedpressure by the closing means causes the flange b on the plate a to bebent over to engage the plate 0 as is clearly shown in Figs. 6 and 7.The flange I) does not exa second dishe Specification of Letters latent.Patented May 24;, 1910. Application filed April 2, 1909. Serial No.487,476. (I I tend right up to the neck 6 but is cut away to allowclearance for the cords h. The recess g is also provided for the purposeof clearance.

Seals constructed in accordance with this invention may be embossed,before use, in

any desired manner so as to be readily identified and if desired, theseals may be impressed with a particular mark at the time they areclosed.

Figs. 8, 9 and 10 illustrate a seal adapted to be closed in this manner.The central part y of each of the plates at and c is provided with adepression each of said depressions having a flat bottom and being ofsuch depth that their adjacent surfaces are in close contact when theseal is closed so that the seal may be impressed while it is beingclosed. The bottoms of such depressions beingin contact considerablepressure may be employed in closingthe seal and if suitably engravedparts of the closing dies 1. A seal comprising a dished metal plate,

a second dished plate adapted to fit within said first plate, a shoulderon said'second plate, a neck connecting said plates,a flange on saidfirst plate adapted to be closed over said second plate, andserrationsdisposed in a recess in said flange and adapted to engagewith the cordto be sealed. 1

2. A seal comdprisin a dished metal plate, meta plate adapted to fitwithin said first plate, a shoulder on said second plate, a neckconnecting said plates,

serrations disposed at an angle to the plane of said neck and along-theedges thereof, a flange on said first pllate adapted to be closed oversaid secon plate, and serrations disposed in a recess in said flange,the serrations on said neck and in said recess being adapted to engagewith the cord to be sealed.

3. A seal com risin a dished metal plate, a second dishe meta plateadapted to fit within said first plate, a shoulder on said second plate,a neck connecting said plates, serrations disposed at an angle to theplane of said neck and along the edges thereof,

on said neck and in said recess bein adapted to engage with the cord tobe sea ed, and said plates having depressions the bottoms of which arein contact, the depressed parts of said plates being adapted to receiveimpressions when the seal is being closed.

SIGMUND STROH.

Witnesses FERDINAND ULLMAN, FERDINAND LUNZE.

